IDL: Add build target for IDL dictionary impl generation in core

Source/bindings/scripts/idl_compiler.py

Index: Source/bindings/scripts/idl_compiler.py
diff --git a/Source/bindings/scripts/idl_compiler.py b/Source/bindings/scripts/idl_compiler.py
index c74aae7a002777349c65c6c18c68f1ae8c266ba8..a123760c7b9204eaf38e075b5cd3f378af496f88 100755
--- a/Source/bindings/scripts/idl_compiler.py
+++ b/Source/bindings/scripts/idl_compiler.py
@@ -38,15 +38,17 @@ import os
 import cPickle as pickle
 import sys
 
-from code_generator_v8 import CodeGeneratorV8
+from code_generator_v8 import CodeGeneratorDictionaryImpl, CodeGeneratorV8
 from idl_reader import IdlReader
-from utilities import write_file
+from utilities import read_idl_files_list_from_file, write_file
 
 
 def parse_options():
     parser = OptionParser()
     parser.add_option('--cache-directory',
                       help='cache directory, defaults to output directory')
+    parser.add_option('--generate-dictionary-impl',
+                      action="store_true", default=False)
     parser.add_option('--output-directory')
     parser.add_option('--interfaces-info-file')
     parser.add_option('--write-file-only-if-changed', type='int')
@@ -124,14 +126,49 @@ class IdlCompilerV8(IdlCompiler):
         self.compile_and_write(idl_filename)
 
 
-def main():
-    options, idl_filename = parse_options()
+class IdlCompilerDictionaryImpl(IdlCompiler):
+    def __init__(self, *args, **kwargs):
+        use_relative_output_path = kwargs.get('use_relative_output_path', True)
+        kwargs.pop('use_relative_output_path', None)
+        IdlCompiler.__init__(self, *args, **kwargs)
+        self.code_generator = CodeGeneratorDictionaryImpl(
+            self.interfaces_info, self.cache_directory, self.output_directory,
+            use_relative_output_path=use_relative_output_path)
+
+    def compile_file(self, idl_filename):
+        self.compile_and_write(idl_filename)
+
+
+def generate_bindings(options, input_filename):
     idl_compiler = IdlCompilerV8(
         options.output_directory,
         cache_directory=options.cache_directory,
         interfaces_info_filename=options.interfaces_info_file,
         only_if_changed=options.write_file_only_if_changed)
-    idl_compiler.compile_file(idl_filename)
+    idl_compiler.compile_file(input_filename)
+
+
+def generate_dictionary_impl(options, input_filename):
+    idl_compiler = IdlCompilerDictionaryImpl(
+        options.output_directory,
+        cache_directory=options.cache_directory,
+        interfaces_info_filename=options.interfaces_info_file,
+        only_if_changed=options.write_file_only_if_changed)
+
+    idl_filenames = read_idl_files_list_from_file(input_filename)
+    for idl_filename in idl_filenames:
+        idl_compiler.compile_file(idl_filename)
+
+
+def main():
+    options, input_filename = parse_options()
+    if options.generate_dictionary_impl:
+        # |input_filename| should be a file which contains list of IDL
+        # dictionary paths.
+        generate_dictionary_impl(options, input_filename)
+    else:
+        # |input_filename| should be path of an IDL file.
+        generate_bindings(options, input_filename)
 
 
 if __name__ == '__main__':